i decided windows 8 was better and i should delete windows 7(after i backed up important files) but i when i tried to format it without uninstalling windows first(that was dumb) windows 8 didnt boot.I put in the installation disc of win 8 and clicked repair.Now it boots but when i open the laptop it gives me an unpleasant loading bar and then the computer restarts on its own and this time it...
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